package adv1;

/**
 * @author oldliu
 * @since 1.0
 */
public class StrinTest1 {
    public static void main(String[] args) {
        String str="马晓波is very handsome";
        byte[]b={65,66,67,97};
        String s2=new String(b);
        System.out.println(s2);
        System.out.println("变成大写");
        String s3=s2.toUpperCase();
        System.out.println(s2);
        System.out.println(s3);
//        s2="老刘也是帅哥";
//        System.out.println(s2);

        char c[]={65,66,67,21016};
        String s4=new String(c);
        System.out.println(s4);
    }
}
